Analysis
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max time kernel
152s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 22:45
Static task
static1
Behavioral task
behavioral1
Sample
bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe
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Size
108KB
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MD5
e26f06c926da40defc0c54682d227f00
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SHA1
201682f0fb81fa08f7c7da531274036e52fb6643
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SHA256
bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c
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SHA512
0d2e9d3afddc144a632c15b7f397d946d6744a456e6ce81df1c47008181ce8476723960c0e283c7ac03dec455d6ea933fe0d851623a8c22d18142720197e9c70
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SSDEEP
1536:bPogKiB6oQ7Lh5+sXmNP0ttlPXLq0zTrk3:D7moIeZPsXTzTo3
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wiaibiz.exe -
Executes dropped EXE 1 IoCs
pid Process 1648 wiaibiz.exe -
Loads dropped DLL 2 IoCs
pid Process 2036 bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe 2036 bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /v" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /z" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /t" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /h" bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /y" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /f" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /r" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /u" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /l" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /n" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /a" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /m" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /g" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /e" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /x" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /d" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /o" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /j" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /k" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /q" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /c" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /s" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /p" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /h" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /i" wiaibiz.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /w" wiaibiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiaibiz = "C:\\Users\\Admin\\wiaibiz.exe /b" wiaibiz.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2036 bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe 1648 wiaibiz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2036 bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe 1648 wiaibiz.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2036 wrote to memory of 1648 2036 bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe 27 PID 2036 wrote to memory of 1648 2036 bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe 27 PID 2036 wrote to memory of 1648 2036 bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe 27 PID 2036 wrote to memory of 1648 2036 bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe"C:\Users\Admin\AppData\Local\Temp\bfe38cc92aaf184adc4b361dc8f86e24c0611db8f34f7569b5cc0d391571157c.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Users\Admin\wiaibiz.exe"C:\Users\Admin\wiaibiz.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1648
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
108KB
MD5fcccf919e388fe4f3c765332ce43ab45
SHA1cf7e4597b333c27a0ff5c70d22babbf3f927d158
SHA25662356cb8c89b87b437dd373bf2fe85ab492eeb889322f751b076d57268b7be56
SHA512cda2933868dc33c06e1e3529b65be7995a8bfb983703582181ce74b598fd0b918ead2752ce3b14e51aa49f4062d23eb9a67e62d3144a240b73041fee52bcb779
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Filesize
108KB
MD5fcccf919e388fe4f3c765332ce43ab45
SHA1cf7e4597b333c27a0ff5c70d22babbf3f927d158
SHA25662356cb8c89b87b437dd373bf2fe85ab492eeb889322f751b076d57268b7be56
SHA512cda2933868dc33c06e1e3529b65be7995a8bfb983703582181ce74b598fd0b918ead2752ce3b14e51aa49f4062d23eb9a67e62d3144a240b73041fee52bcb779
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Filesize
108KB
MD5fcccf919e388fe4f3c765332ce43ab45
SHA1cf7e4597b333c27a0ff5c70d22babbf3f927d158
SHA25662356cb8c89b87b437dd373bf2fe85ab492eeb889322f751b076d57268b7be56
SHA512cda2933868dc33c06e1e3529b65be7995a8bfb983703582181ce74b598fd0b918ead2752ce3b14e51aa49f4062d23eb9a67e62d3144a240b73041fee52bcb779
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Filesize
108KB
MD5fcccf919e388fe4f3c765332ce43ab45
SHA1cf7e4597b333c27a0ff5c70d22babbf3f927d158
SHA25662356cb8c89b87b437dd373bf2fe85ab492eeb889322f751b076d57268b7be56
SHA512cda2933868dc33c06e1e3529b65be7995a8bfb983703582181ce74b598fd0b918ead2752ce3b14e51aa49f4062d23eb9a67e62d3144a240b73041fee52bcb779